Question: the matrices [ A=left[begin{array}{ccc} 2 & 0 & 1 -1 & 5 & 6 end{array} ight] quad B=left[begin{array}{ll} 7 & 4 end{array} ight] ]

the matrices \\[ A=\\left[\\begin{array}{ccc} 2 & 0 & 1 \\\\ -1 & 5 & 6 \\end{array}\ ight] \\quad B=\\left[\\begin{array}{ll} 7 & 4 \\end{array}\ ight] \\] \$ \\mathrm{t}, A B \$ or \$ B A \$, is defined? Compute that product

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